Siemens 6EP1336-2BA00 SITOP POWER 20 supply

Siemens 6EP1336-2BA00 is a SITOP POWER 20 stabilized supply that converts 120/230 V AC to 24 V DC at 20 A.

System function

Rebuilt from individual evidence

Evidence and limits

6EP1336-2BA00 is documented as a SITOP POWER 20 stabilized supply with 120/230 V AC input and 24 V DC output at 20 A.

Its system position is the AC-to-DC conversion point that feeds an automation cabinet distribution path.

The captured data sheet lists a minimum 10 ms mains-buffering value.

Unknown: the installed cabinet load, wiring, ambient conditions, service status, and replacement compatibility.

Exact reference: 6EP1336-2BA00
Category: PLC / CPU
Evidence checked: 2026-09-12

System role

This section explains what the product does and where it acts in the surrounding system.

Function: Converts single-phase 120/230 V AC into a stabilized 24 V DC supply rated at 20 A.
System position: Sits between the incoming AC supply and the automation cabinet DC distribution.
Upstream / inputs: Single-phase 120/230 V AC feeds the power supply.
Downstream / outputs: The stabilized 24 V DC output feeds downstream cabinet control loads.
Limitations: Unknown: the installed cabinet load, wiring, ambient conditions, service status, and replacement compatibility.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The Siemens data sheet identifies 6EP1336-2BA00 as a SITOP POWER 20 stabilized power supply with 120/230 V AC input and 24 V DC/20 A output.
Confidence: high
- docs.rs-online.com — retrieved 2026-09-12; high confidence
The data sheet specifies a single-phase AC input with 120 V and 230 V nominal values.
Confidence: high
- docs.rs-online.com — retrieved 2026-09-12; high confidence
The data sheet specifies a 24 V DC output rated at 20 A.
Confidence: high
- docs.rs-online.com — retrieved 2026-09-12; high confidence
The data sheet lists a minimum 10 ms mains-buffering value at rated output current.
Confidence: high
- docs.rs-online.com — retrieved 2026-09-12; high confidence

Inferences

The supply sits between incoming single-phase AC and the automation cabinet DC distribution.
Confidence: high
Rationale: The documented AC input and stabilized DC output establish the conversion point in the cabinet power path.
- docs.rs-online.com — retrieved 2026-09-12; high confidence

Unknowns

Unknown: the installed cabinet load, wiring, ambient conditions, service status, and replacement compatibility.
Confidence: low
Missing evidence: No installation-specific cabinet, wiring, environmental, service, or replacement record was captured.

System position diagram

A 120/230 V AC supply feeds the 6EP1336-2BA00 SITOP POWER 20 supply, which feeds an automation cabinet DC distribution path at 24 V DC and 20 A. — The documented AC input and DC output establish this conversion path.

View Mermaid source

flowchart LR
  ac["120/230 V AC supply"] -->|single-phase input| psu["6EP1336-2BA00 SITOP POWER 20"]
  psu -->|24 V DC at 20 A| bus["Automation cabinet DC distribution"]

View diagram labels

Nodes: 120/230 V AC supply; 6EP1336-2BA00 SITOP POWER 20; Automation cabinet DC distribution
Edges: Single-phase AC input; 24 V DC at 20 A

Next action

The captured technical data sheet supports a 24 V DC, 20 A cabinet-supply role for this exact article.

Confirm the incoming-voltage selection and cabinet load before replacement.

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